|Número de publicación||US6729493 B1|
|Tipo de publicación||Concesión|
|Número de solicitud||US 10/310,912|
|Fecha de publicación||4 May 2004|
|Fecha de presentación||6 Dic 2002|
|Fecha de prioridad||6 Dic 2002|
|Número de publicación||10310912, 310912, US 6729493 B1, US 6729493B1, US-B1-6729493, US6729493 B1, US6729493B1|
|Cesionario original||Jenn-Tzong Chen|
|Exportar cita||BiBTeX, EndNote, RefMan|
|Citas de patentes (11), Citada por (3), Clasificaciones (7), Eventos legales (3)|
|Enlaces externos: USPTO, Cesión de USPTO, Espacenet|
1. Field of the Invention
This invention relates to a brake oil extractor, particularly to one provided with a bottom base having a polygonal engage groove for receiving a polygonal oil storing tank and bored therein with plural insert holes for bolts to pass therethrough and fasten the bottom base on a stationary object, convenient to turn open a cover and separate it from the oil storing tank for pouring out brake oil inside and able to prevent the brake oil from leaking out or splashing over a user because of improperly holding the oil storing tank when turning open the cover.
2. Description of the Prior Art
A conventional brake oil extractor, as shown in FIGS. 1 and 2, is composed of an oil-storing tank 1 and a cover 2. The oil-storing tank 1 is cylinder-shaped, having a combining portion 10 with female threads 11 provided at the upper side. The cover 2 to be threadably mounted on the oil storing tank is formed at the lower side with a combining portion 20 having male threads 21. The cover 2 can easily be mounted on the oil-storing tank 1 by threadably combining the combining portion 20 of the cover 2 together with the combining portion 10 of the oil-storing tank 1. However, a user has to hold the oil storing tank 1 with one hand and turn open the cover 2 with the other hand in order to pour out the brake oil inside the oil storing tank 1, easily resulting in the brake oil leaking out or splashing over a user in case of inadvertence.
The objective of the invention is to offer a brake oil extractor convenient to turn open a cover and separate it from an oil storing tank for pouring out the brake oil in the oil storing tank and able to avoid the brake oil leaking out or splashing over a user because of holding the oil storing tank improperly.
The feature of the invention is a bottom base formed with a polygonal engage groove having plural insert holes therein, an oil storing tank formed with a polygonal outer wall to be correspondingly fitted in the polygonal engage groove of the bottom base, and provided at the upper side with a combining portion with male threads, and a cover provided at the lower side with a combining portion having female threads to be threadably combined with the combining portion of the oil storing tank.
This invention will be better understood by referring to the accompanying drawings, wherein:
FIG. 1 is an exploded perspective view of a conventional brake oil extractor;
FIG. 2 is a cross-sectional view of the conventional brake oil extractor;
FIG. 3 is an exploded perspective view of a brake oil extractor in the present invention;
FIG. 4 is a perspective view of the brake oil extractor in the present invention; and,
FIG. 5 is a cross-section view of the brake oil extractor in a used condition in the present invention.
A preferred embodiment of a brake oil extractor in the present invention, as shown in FIG. 3, includes a bottom base 3, an oil-storing tank 4 and a cover 5 combined together.
The bottom base 3 is provided in the center with an engage groove 30 having a polygonal inner wall 31 and plural insert holes 32 inside.
The oil-storing tank 4 to be positioned in the engage groove 30 of the bottom base 3 is formed with a polygonal outer wall 40 matching with the polygonal inner wall 31 of the engage groove 30, and a combining portion 41 with male threads 42 at the upper side.
The cover 5 to be threadably mounted on the oil-storing tank 4 is provided at the lower side with a combining portion 50 with female threads 51.
In assembling, as shown in FIGS. 3-5, firstly, the bottom base 3 is secured on a stationary object 7 by bolts 6 inserted through the insert holes 32 of the bottom base 3 and fixed on the stationary object 7. Next, the polygonal oil-storing tank 4 is correspondingly fitted in the polygonal engage groove 30 of the bottom base 3, and lastly the cover 5 is mounted on the oil-storing tank 4 by threadably combining the combining portion 50 of the cover 4 together with the combining portion 41 of the oil-storing tank 4.
In using, as shown in FIG. 5, the polygonal oil-storing tank 4 is correspondingly placed in the polygonal engage groove 30 of the bottom base 3. Next, the cover 5 is turned open and separated from the combining portion 41 of the oil storing tank 4 and finally, the oil storing tank 4 is removed out from the engage groove 30 of the bottom base 3 for pouring out the brake oil inside.
As can be noted from the above description, this invention has the following advantages.
1. The oil storing tank has its polygonal wall correspondingly engaged with the polygonal groove of the bottom base, convenient to turn open the cover and separate it from the oil storing tank to pour out the brake oil inside.
2. The oil storing tank is formed with a polygonal wall to be correspondingly engaged with the polygonal groove of the bottom base, able to prevent the brake oil in the oil storing tank from leaking out or splashing over a user because of holding the oil storing tank improperly when turning open the cover for pouring out the brake oil inside.
While the preferred embodiment of the invention has been described above, it will be recognized and understood that various modifications may be made therein and the appended claims are intended to cover all such modifications that may fall within the spirit and scope of the invention.
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|Clasificación de EE.UU.||220/630, 220/481, 220/737, 248/146|
|18 Sep 2007||FPAY||Fee payment|
Year of fee payment: 4
|3 Jun 2011||FPAY||Fee payment|
Year of fee payment: 8
|25 May 2015||FPAY||Fee payment|
Year of fee payment: 12